Samira Patnaik
Database Engineer
Hyderabad
Summary
I am a seasoned Database Engineer with nearly 20 years of experience in database architecture, engineering, and administration. My expertise spans across diverse database systems including MongoDB, Sybase, and PostgreSQL. I excel in implementing innovative solutions that enhance performance and scalability while ensuring stability and security. My career reflects consistent success in leading critical database migration and automation projects.
Overview
10
10
Certifications
21
21
years of professional experience
Work History
Vice President, Lead Data Engineer
J.P. Morgan Services India Private Limited
11.2015 - Current
- Designed MongoDB replica set and sharded cluster for applications in GAIA cloud, enhancing data availability and scalability.
- Built and migrated DBAAS servers for MongoDB, SAP ASE, REP, IQ, and PostgreSQL, addressing complexities across multiple applications.
- Database SRE support MongoDB/ PostgreSQL/MySQL.
- Configured and maintained replication (streaming, logical) for read scaling and high availability.
- Provided database operational coverage, stability, availability and optimization of end-to-end database operations.
- Automated post installation/version upgrade/migration of Sybase ASE tasks.
- Configured and maintained streaming and logical replication for read scaling and high availability, ensuring robust database performance.
Lead Administrator
Wipro Technologies Pvt Ltd
05.2014 - 11.2015
- Server Upgrade Project: Coordinated Sybase ASE 15.7 version upgrade tasks to ensure seamless transition.
- Business Support: Delivered database maintenance support for Sybase ASE & Replication Servers to maintain system integrity.
Sr. Support Analyst
Nomura Services India Ltd. (Lehman Brothers Services India Private Limited)
09.2008 - 02.2014
- Datacenter Migration Project: Led end-to-end migration of data servers, overseeing capacity planning through to go live.
- Business Support: Provided database maintenance support for Sybase and MS SQL servers across production, development, and staging environments.
Sr. Technical Specialist
Citi technology services Ltd.
01.2007 - 09.2008
- Contributed to the Global Database Management Group by providing database architecture and administration support for Sybase, Microsoft SQL Server, Oracle, and DB2 applications.
- Provided maintenance and support for Sybase and MS SQL server databases.
Assistant Software Engineer
Centre for Railway Information Systems
07.2005 - 12.2006
- Collaborated as team member on Unreserved Ticketing System project, contributing to centralized computerized ticketing system for Indian Railways.
- Executed implementation and maintenance of Unreserved Ticketing System database, ensuring reliable support for users.
Education
MCA -
Utkal University
Orissa06-2004
Skills
Mongodb, Mongodb Atlas, MongoDB Ops Manager, Postgres, Sybase ASE 16x,15x, Sybase IQ, Terraform, shell scripting, Python, AWS, Marklogic, Microsoft SQL Server, MySQL, Autosys, Control-m, VCS Cluster, Jenkins, CI/CD pipelines, Grafana, OEM, Vector Search, RAG
Data strategy
Process improvement
Critical thinking
Performance monitoring
Stakeholder management
Certification
https://www.credly.com/users/samira-patnaik
OTHER ACHIEVEMENTS
- Special Technology Accomplishment Recognition: Jan 2013 – March 2013 (Nomura)
- Meritorious Service Certificate from CRIS for the implementation of unreserved ticketing system
Timeline
Vice President, Lead Data Engineer
J.P. Morgan Services India Private Limited
11.2015 - Current
Lead Administrator
Wipro Technologies Pvt Ltd
05.2014 - 11.2015
Sr. Support Analyst
Nomura Services India Ltd. (Lehman Brothers Services India Private Limited)
09.2008 - 02.2014
Sr. Technical Specialist
Citi technology services Ltd.
01.2007 - 09.2008
Assistant Software Engineer
Centre for Railway Information Systems
07.2005 - 12.2006
MCA -
Utkal University